US PATENT SUBCLASS 562 / 511
.~.~ Naphthenic acids or salts thereof

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
511.~.~ Naphthenic acids or salts thereof

DEFINITION

Classification: 562/511

Naphthenic acids or salts thereof:

(under subclass 400) Compounds known as naphthenic acids derived from crude naphthene containing mineral oils and their salts.